Suggestions for the Gran Bottle question (No. 2) on the GEOL 3030 Marine Biology exercise
GEOL 3030 - University of Georgia

The key thought is that the opaque bottles are the control in this experiment: there can be no photosynthesis in an opaque bottle because no light penetrates it. Comparing the results from the clear bottles to the opaque bottles thus answers the question.  


To the GEOL 3030 page.